<!--
 Author:beyondboy
 Gmail:xuguoli.scau@gmail.com
 Date: 2016/2/23
 Time: 16:38
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>提示窗口</title>
</head>
<body>

</body>
<script>
    window.onload=function()
    {
        alert("参数不合法");
    }
</script>
</html>